## MCQ Questions for Class 6 Maths: Ch 4 Basic Geometrical Ideas

1. What is a set of points which extend infinitely in both directions called?
(a) A line
(b) A plane
(c) A line segment
(d) A point
â–º (a) A line

2. A __________ of a circle is a line segment joining any two points on the circle.
(a) chord
(b) diameter
(d) None of these
â–º (a) chord

3. Angle which is less than 360Â° and larger than 180Â° is classified as
(a) acute angle
(b) obtuse angle
(c) reflex angle
(d) right angle
â–º (c) reflex angle

4. What is a set of points extending infinitely in all directions on the same flat surface called?
(a) A line
(b) A plane
(c) Ray
(d) A point
â–º (b) A plane

5. Any line segment can be formed by joining
(a) two points
(b) three points
(c) four points
(d) more than three points
â–º (a) two points

6. Angle which is less than 90Â° is called
(a) reflex angle
(b) obtuse angle
(c) acute angle
(d) right angle
â–º (c) acute angle

7. Two distinct lines meeting at a points are called _____________.
(a) intersecting lines
(b) parallel lines
(c) collinear lines
(d) None of these
â–º (a) intersecting lines

8. Angle which is equal to 90Â° is classified as
(a) right angle
(b) obtuse angle
(c) acute angle
(d) reflex angle
â–º (a) right angle

9. Flat surface in which two points are joined by using straight line is classified as
(a) line
(b) plane
(c) ray
(d) intersecting line
â–º (b) plane

10. Out of following options, two angles that are together classified as complementary angles are
(a) 120Â° and 60Â°
(b) 50Â° and 30Â°
(c) 65Â° and 25Â°
(d) 70Â° and 30Â°
â–º (c) 65Â° and 25Â°

11. A flat surface which extends indefinitely in all directions is called ___________ .
(a) plane
(b) lines
(c) point
(d) line segment
â–º (a) plane

12. What is the number of end points of a line?
(a) Zero
(b) Two
(c) One
(d) Three
â–º (a) Zero

13. An angle is made up of two ________ starting from common end point.
(a) rays
(b) vertices
(c) lines
(d) points
â–º (a) rays

14. Three or more points lying on the same line are known as ___________ points.
(a) collinear
(b) intersecting
(c) non-collinear
(d) None of these
â–º (a) collinear

15. If two angles are said to be supplementary angles and one of angle is of 122Â° then other angle is of
(a) 35Â°
(b) 32Â°
(c) 60Â°
(d) 58Â°
â–º (d) 58Â°

16. If two lines intersects each other then the common point between them is known as point of _________.
(a) concurrence
(b) intersection
(c) vertex
(d) contact
â–º (b) intersection

17. Out of following, one angle which is obtuse is
(a) 11/21 of a right angle
(b) 8/20 of a complete rotation
(c) 11/21 of a complete rotation
(d) 8/20 of a right angle
â–º (b) 8/20 of a complete rotation

18. How many lines pass through two given points?
(a) one
(b) two
(c) three
(d) many
â–º (a) one

19. What are used to represent points?
(a) Numerals.
(b) Capital letters of alphabet.
(c) Lower case letters of alphabet.
(d) All of the above
â–º (b) Capital letters of alphabet.

20. Two lines meeting at a point are called ___________ .
(a) intersecting lines
(b) concurrent lines
(c) parallel line
(d) None of these
â–º (a) intersecting lines

21. How many lines pass through one given point?
(a) Three
(b) One
(c) Count less
(d) Two
â–º (c) Count less

22. Which instrument is used to compare two line segments?
(a) Compasses
(b) A divider
(c) Set squares
(d) A protractor
â–º (b) A divider
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